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. 2014 Jan 9;8(6):1221–1236. doi: 10.1038/ismej.2013.228

Table 2. Photophysiological features of the six marine Synechococcus strains, acclimated at 22 °C under 80 μmol photons m−2 s−1.

Strain A15-37 M16.1 WH7803 ROS8604 MVIR-16-2 MVIR-18-1
Orange fluorescence 0.05±0.01 0.18±0.01 0.80±0.06 1.10±0.22 0.45±0.04 0.21±0.07
PE:PC 2.70±0.10 3.50±0.70 2.00±0.20 2.70±0.20 2.40±0.10 2.00±0.30
Fv:FM 0.64±0.03 0.57±0.07 0.61±0.07 0.53±0.03 0.57±0.01 0.60±0.02
NPQST 0.48±0.04 0.20±0.07 0.47±0.09 0.36±0.01 0.43±0.02 0.50±0.01
Chl a (fg cell−1) 2.21±0.81 2.62±0.81 17.5±1.41 9.52±1.61 2.75±0.39 5.57±0.26
Zeaxanthin (fg cell−1) 1.47±0.54 2.06±0.59 5.20±0.62 6.54±1.71 2.05±0.25 3.05±0.07
β-Carotene (fg cell−1) 0.08±0.01 0.15±0.05 1.16±0.16 0.88±0.09 0.22±0.02 0.40±0.02
Zeaxanthin: Chl a (g/g) 0.67±0.07 0.80±0.06 0.30±0.03 0.69±0.08 0.75±0.03 0.53±0.04
β-Carotene: Chl a (g/g) 0.059±0.028 0.085±0.010 0.070±0.001 0.094±0.018 0.081±0.004 0.071±0.02

Abbreviations: PC, phycocyanin; PE, phycoerythrin.